The correct answer is D. Rajatarangini.
Rajatarangini is a historical chronicle of the kings of Kashmir, written in Sanskrit by Kalhana. It is considered to be one of the most important works of medieval Indian literature. The book begins with the story of the founding of Kashmir and ends with the reign of King Harsha of Kashmir in the 12th century.
Arthashastra is a treatise on statecraft, economics, and military strategy, written by Kautilya, also known as Chanakya. It is considered to be one of the most important works of Indian political philosophy.
Indica is a book written by the Greek historian Megasthenes in the 4th century BC. It is a description of India, its people, and its customs.
Purana is a genre of Hindu religious texts that deal with a variety of topics, including mythology, cosmology, history, and philosophy.